html, body {
	background-color: #333;
}

.centered {
	text-align: center;
}

.valid:focus {   
	border-color: rgba(126, 239, 104, 0.8);
	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset, 0 0 8px rgba(126, 239, 104, 0.6);
	outline: 0 none;
}

.not-valid:focus {   
	border-color: rgba(255, 0, 0, 0.8);
	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset, 0 0 8px rgba(255, 0, 0, 0.6);
	outline: 0 none;
}